diff --git a/backend-service/conf/application.conf b/backend-service/conf/application.conf
index a3958a1aaf..c56ba13b36 100644
--- a/backend-service/conf/application.conf
+++ b/backend-service/conf/application.conf
@@ -9,6 +9,7 @@
 #
 # See http://www.playframework.com/documentation/latest/ApplicationSecret for more details.
 play.crypto.secret = "changeme"
+play.crypto.secret = ${?PLAY_CRYPTO_SECRET}
 
 # The application languages
 # ~~~~~
@@ -57,5 +58,6 @@ db.wherehows.password = ${WHZ_DB_PASSWORD}
 # if have this varialbe, only the id in this list will be scheduled
 # scheduler.jobid.whitelist=[1,2,3,4,5,6,7,8,9]
 scheduler.check.interval=10
+scheduler.check.interval=${?SCHEDULER_CHECK_INTERVAL}
 # start the following list of kafka consumer etl jobs
 # kafka.consumer.etl.jobid=[44]
\ No newline at end of file
diff --git a/docker/archive-factory/build-backend.sh b/docker/archive-factory/build-backend.sh
index c48d2ab460..e4d2e2415c 100755
--- a/docker/archive-factory/build-backend.sh
+++ b/docker/archive-factory/build-backend.sh
@@ -14,9 +14,6 @@ mv backend-ser* backend-service
 # rm -rf backend-service/share
 rm backend-service/README.md
 
-# leave the option to change the secret later.
-sed -i 's/changeme/$PLAY_CRYPTO_SECRET/g' backend-service/conf/application.conf
-
 tar zcvf backend-service.tar.gz backend-service
 
 cp *.tar.gz ../../backend-service/archives
\ No newline at end of file
diff --git a/docker/archive-factory/build-web.sh b/docker/archive-factory/build-web.sh
index 2a7f6f138b..dc0e29e8c3 100755
--- a/docker/archive-factory/build-web.sh
+++ b/docker/archive-factory/build-web.sh
@@ -15,16 +15,6 @@ mv wherehows-* wherehows
 
 rm README.md
 
-# correct a few things that won't work in docker.
-
-# leave the option to change the play crypto secret later.
-sed -i 's/changeme/$PLAY_CRYPTO_SECRET/g' wherehows/conf/application.conf
-
-# localhost usually does not work within docker, give people the power
-# to change that from outside of docker with environment variables.
-sed -i 's/localhost:8888/$HDFS_HOST:8888/g' wherehows/conf/application.conf
-sed -i 's/localhost/$MYSQL_HOST/g' wherehows/conf/application.conf
-
 tar zcvf web.tar.gz wherehows
 
 cp web.tar.gz ../../web/archives
\ No newline at end of file
diff --git a/docker/docker-compose.yml b/docker/docker-compose.yml
index aa452555a0..92e5b81d03 100644
--- a/docker/docker-compose.yml
+++ b/docker/docker-compose.yml
@@ -13,8 +13,8 @@ services:
     environment:
       WHZ_DB_USERNAME: wherehows
       WHZ_DB_PASSWORD: wherehows
-      WHZ_DB_URL: jdbc:mysql://mysql:3306/wherehows
-      PLAY_CRYPTO_SECRET: changeme
+      WHZ_DB_URL: jdbc:mysql://mysql:3306/wherehows?useUnicode=true&characterEncoding=utf8&verifyServerCertificate=false&useSSL=true
+      PLAY_CRYPTO_SECRET: please_change_in_production_environment
     links:
       - "mysql:mysql"
   web:
@@ -24,8 +24,7 @@ services:
     environment:
       WHZ_DB_USERNAME: wherehows
       WHZ_DB_PASSWORD: wherehows
-      WHZ_DB_URL: jdbc:mysql://mysql:3306/wherehows
-      MYSQL_HOST: mysql
-      HDFS_HOST: "127.0.0.1"
+      WHZ_DB_URL: jdbc:mysql://mysql:3306/wherehows?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&verifyServerCertificate=false&useSSL=true
+      PLAY_CRYPTO_SECRET: please_change_in_production_environment
     links:
       - "mysql:mysql"
\ No newline at end of file
diff --git a/web/conf/application.conf b/web/conf/application.conf
index 3010cf02a6..bb32d12cd1 100644
--- a/web/conf/application.conf
+++ b/web/conf/application.conf
@@ -9,6 +9,7 @@
 #
 # See http://www.playframework.com/documentation/latest/ApplicationSecret for more details.
 play.crypto.secret = "changeme"
+play.crypto.secret = ${?PLAY_CRYPTO_SECRET}
 
 # The application languages
 # ~~~~~
@@ -44,13 +45,19 @@ play.i18n.langs = [ "en" ]
 # play.evolutions.db.default.enabled=false
 
 datasets.tree.name = "/var/tmp/wherehows/resource/dataset.json"
+datasets.tree.name = ${?DATASETS_TREE_NAME}
 flows.tree.name = "/var/tmp/wherehows/resource/flow.json"
+flows.tree.name = ${?FLOWS_TREE_NAME}
 
 database.opensource.username = "wherehows"
+database.opensource.username = ${?WHZ_DB_USERNAME}
 database.opensource.password = "wherehows"
-database.opensource.url = "jdbc:mysql://localhost/wherehows?charset=utf8&zeroDateTimeBehavior=convertToNull"
+database.opensource.password = ${?WHZ_DB_PASSWORD}
+database.opensource.url = "jdbc:mysql://localhost/wherehows?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull"
+database.opensource.url = ${?WHZ_DB_URL}
 
 search.engine = "default"
+search.engine = ${?YOUR_SEARCH_ENGINE}
 
 elasticsearch.dataset.url = "$YOUR_DATASET_INDEX_URL"
 elasticsearch.flow.url = "$YOUR_FLOW_INDEX_URL"
@@ -63,5 +70,7 @@ authentication.principal.domain = "$YOUR_LDAP_DOMAIN"
 authentication.ldap.search.base = "$YOUR_LDAP_SEARCH_BASE"
 
 dataset.hdfs_browser.link = "https://localhost:8888/filebrowser/#"
+dataset.hdfs_browser.link = ${?YOUR_HDFS_BROWSER_LINK}
 
 lineage.look.back.time = 60
+lineage.look.back.time = ${?LINEAGE_LOOK_BACK_TIME}